[PATCH v2 3/4] perf utils: Add helper function is_pmu_core to detect PMU CORE devices

On some platforms, PMU core devices sysfs name is not cpu. Adding function is_pmu_core to detect as core device using core device specific hints in sysfs. For arm64 platforms, all core devices have file "cpus" in sysfs. Signed-off-by: Ganapatrao Kulkarni ---

[PATCH v2 3/4] perf utils: Add helper function is_pmu_core to detect PMU CORE devices

On some platforms, PMU core devices sysfs name is not cpu. Adding function is_pmu_core to detect as core device using core device specific hints in sysfs. For arm64 platforms, all core devices have file "cpus" in sysfs. Signed-off-by: Ganapatrao Kulkarni --- tools/perf/util/pmu.c | 44